#include<stdio.h>

int main(){
    int i=1,j=1,ans=0;
    while (i<=9)
    {
        while (j<=i)
        {
            ans=i*j;
            printf("%dx%d=%d ",i,j,i*j);
            j++;
        }
        printf("\n");
        i++;
        j=1;
    }
    return 0;
}